Sterling lost 0.8 percent to hit a session low of $1.5486 against the dollar, the lowest level in a week, pulled down by weakness as Spain's borrowing costs jumped to new highs.
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Researchers believe they have found the wreckage of British explorer James Cook's ship "Endeavour".
Four kittens have been rescued from a fire by emergency services in California, USA.
A mother died after trying to save her three-year-old son when he fell down a cliff during a family hike.